00326nam a2200121Ia 450000500170000000800410001708200200005810000200007824500300009826000340012830000090016270000330017120260205054312.0260111s9999||||xx |||||||||||||| ||und||  a621.3822  Sa34D  aSalivahanan , S 0aDigital signal processing  aNew DelhibMc graw hillc2003  a808p  aVallavaraj, A/Gnanapriya, C/